An expert explains that such claims are probably more calculated and careful than you'd expect.

Iraqi soldiers gather near the remains of wall panels and colossal statues of winged bulls that were destroyed by Islamic State militants in the Assyrian city of Nimrud, late last year.
Ari Jalal/ReutersJune 4, 2017

From Tintin weeping to spotlit buildings, images are rapidly circulating on social media as a way of comprehending the Brussels bombings. But where was the cartoon for those who died in Ankara? Are some tragedies "ungrievable"?

A masked face but experts still have his voice to go on.
Video screengrabJanuary 7, 2016